diff --git a/bin/scripts/name_parser/FontnameTools.py b/bin/scripts/name_parser/FontnameTools.py
index 93904d3254..2e848eed62 100644
--- a/bin/scripts/name_parser/FontnameTools.py
+++ b/bin/scripts/name_parser/FontnameTools.py
@@ -289,8 +289,9 @@ def weight_string_to_number(w):
         """ Convert a common string approximation to a PS/2 weight value """
         if not isinstance(w, str) or len(w) < 1:
             return 400
+        w = w.lower().replace('-', '').replace(' ', '')
         for num, strs in FontnameTools.equivalent_weights.items():
-            if w.lower() in strs:
+            if w in strs:
                 return num
         return None